12845390 has 16 divisors (see below), whose sum is σ = 23660208. Its totient is φ = 5018496.

The previous prime is 12845383. The next prime is 12845411. The reversal of 12845390 is 9354821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14507 + ... + 15366.

It is an arithmetic number, because the mean of its divisors is an integer number (1478763).

Almost surely, 2^12845390 is an apocalyptic number.

12845390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12845390 is a deficient number, since it is larger than the sum of its proper divisors (10814818).

12845390 is a wasteful number, since it uses less digits than its factorization.

12845390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29923.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 12845390 is about 3584.0465956792. The cubic root of 12845390 is about 234.1975952923.

The spelling of 12845390 in words is "twelve million, eight hundred forty-five thousand, three hundred ninety".